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GM and Nissan hope to reduce costs by reusing depleted batteries.
Portable electronics could run 40 percent longer using a new type of anode.
Promising battery technologies often get bogged down in long experiments–a new test could set them loose.
Battery breakthroughs could lower costs and improve performance for electric vehicles and renewable energy storage–but commercializing these new technologies will be challenging.
A study finds problems, but also offers software fixes that could help cell phones last significantly longer between charges.
Lithium-ion batteries with nanotube electrodes could go longer between charges.
The company will share parts and production lines between hybrids and conventional vehicles.
A British company is testing new chemistry that could boost the performance of batteries.